Make cc::CompositorFrames movable [Part 1 of 2]

content/browser/renderer_host/delegated_frame_host.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_DELEGATED_FRAME_HOST_H_
 #define CONTENT_BROWSER_RENDERER_HOST_DELEGATED_FRAME_HOST_H_
 
 #include <stdint.h>
 
 #include <vector>
@@ skipping 114 matching lines @@
   // cc::SurfaceFactoryClient implementation.
   void ReturnResources(const cc::ReturnedResourceArray& resources) override;
   void WillDrawSurface(cc::SurfaceId id, const gfx::Rect& damage_rect) override;
   void SetBeginFrameSource(cc::BeginFrameSource* begin_frame_source) override;
 
   bool CanCopyToBitmap() const;
 
   // Public interface exposed to RenderWidgetHostView.
 
   void SwapDelegatedFrame(uint32_t output_surface_id,
-                          std::unique_ptr<cc::CompositorFrame> frame);
+                          cc::CompositorFrame frame);
   void ClearDelegatedFrame();
   void WasHidden();
   void WasShown(const ui::LatencyInfo& latency_info);
   void WasResized();
   bool HasSavedFrame();
   gfx::Size GetRequestedRendererSize() const;
   void SetCompositor(ui::Compositor* compositor);
   void ResetCompositor();
   void SetVSyncParameters(const base::TimeTicks& timebase,
                           const base::TimeDelta& interval);
@@ skipping 181 matching lines @@
   // YUV readback pipeline.
   std::unique_ptr<display_compositor::ReadbackYUVInterface>
       yuv_readback_pipeline_;
 
   std::unique_ptr<DelegatedFrameEvictor> delegated_frame_evictor_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_DELEGATED_FRAME_HOST_H_